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Questions tagged [tape]

Tapes are used by a tape backup machine.

211 questions
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Hybrid fileserver and removable storage backup NAS

I need some hardware to support additional file server space (Preferably 1TB+), as well as a backup solution that will let me pull drives or tapes periodically to store off-site. Can I do this easily with a single server/NAS, or should I really be…
Jeffrey
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Recommended Tape Library Backup software

I recently "inherited" a Tape Library (Powevault 136T / Scalar 100). and I was asking for some advise on the backup software to manage the Library. My goal is to be able to manage backups of all my servers (linux and Windows) and also backup VIP´s…
D4.
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Tar extracting from multi-volume tape whilst computing shasums

As part of our backup system, we replicate zfs datasets from a TrueNAS system to a couple of backup servers, one of which is running TrueNAS Scale and has a LTO-5 tape drive connected. We occasionally write one of the read-only snapshot's contents…
Gary
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Recycle already formatted DLT IV tapes?

I have a lot of DLT IV Tape Cartridges which were used and written to in DLT 4000 drives. Now I have a DLT VS 160 drive, which uses the same Tape Cardridges but I can't write onto them. Searching the net I found only hints that tapes must be…
PoC
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Is it worth using WORM Media for archiving? (Not needed for legal purposes)

Apart from regular backups, there is some data that I want to archive (e.g., old projects that aren't needed anymore). I wonder if there is any benefit to using WORM media instead of regular tapes (apart from the inability to accidently overwrite…
Michael Stum
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Activate Tape Encryption on Windows Server

We use windows to make tape (LTO 8) backups with ltfs and now I want to use the hardware encryption. My problem is I can not find a way to activate it. For Linux I found "stenc" but is there something similar for windows? I only found backup…
niggi
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Does fast-eod make difference with LTO tape?

mt-st has an option: fast-eod： space directly to eod (and lose file number) I run the eod operation with/without this option, but is seems no significant difference. Does fast-eod make difference with LTO tape? My test data: HP lto6 tape…
petertc
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Do LTO tape drive move when switching partition?

As everyone already know, tape winds between BOT and EOT when reading/writing data in the same LTO partition. But what if a tape drive read data in different partitions? Will it move across wraps in a tape (similar to a printer head)? or it can just…
petertc
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LTO-4 Tape Write Source Throughput Needs

I am looking to begin a tape backup regimen and am looking to keep data flowing to the tape drive in a sufficient manner (120+MBs target sustained) but cannot figure out how to do so without a dedicated source drive/array that idles when not writing…
Damon
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Veeam Marks Data Tape as Cleaning Tape

Today I ran into the issue described on this Veeam Community Forum post. Under specific circumstances, Veeam inadvertently marks a legitimate tape as a cleaning tape, removing it entirely from view in VBR console. There's no user-accessible way to…
tfrederick74656
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Loading specific tape volumes using mtx

I am trying to extract data from a set of tapes. Currently, there are five of them in the tape-magazine. I have tried using the mtx command without much success. Heres the output of mtx -f /dev/sg1 status mtx: Request Sense: Long Report=yes mtx:…
feverDream
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Link between tape drive library index and its serial number on linux

I need to map system devices to their index in tape library on linux. How could I know by what index number in mtx command refers to a particular drive? I can get mapping between drive serial numbers and system devices, through sg_inq or similar.…
Pavel Voropaev
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Encrypt backups with GPG to multiple tapes

Currently, I use tar to write my backups (ntbackup files) to a tape drive fed by an autoloader. Ex: tar -F /root/advancetape -cvf /dev/st0 *.bkf (/root/advancetape just has the logic to advance to the next tape if there is one available or notify…
Dan
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Bacula tape changing

How can I get Bacula to move the tape to the IO slot after it has ran a specific job? I run daily backups with Bacula since a couple of days and I was wondering if I can do this kind of thing. I've already specified the UseVolumeOnce = yes directive…
Gert M
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NetBackup prefers "Scratch" tapes over dedicated tapes

I have a NetBackup 6.0MP7 installation running on Windows Server 2003. It functions as the only Master Server and Media Server. I swap a full set of tapes in and out every week, but leave a set of tapes with their Volume Pool set to "Scratch" in…
wfaulk
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